In which solution will 0.000015 BaCl2 form a participate? a. 7.0x10^-7 M H2SO4 (ksp of BaSO4 = 1.1x10^-10) b. 0.10 M Pb(NO3)2 (ksp of PbCl2 = 1.7x10^-5) c. 0.010 M NaF (ksp of BaF2 = 1.7x10^-6) d. 5.0x10^-7 M AgNO3 (ksp of AgCl = 1.8x10^-10)

Q: Calculate the [H] in a solution that is 0.20 M in NaF and 0.25 M in HF. (Ka -7.2 x 10-4) A. 9.0 X…

A: The solution is as follows :

Q: in a titration, if the mass of KHP in three experimental solutions are 0.467,0.48, and 0.48 and the…

A: Molarity: The concentration of the solutions is given by the term of molarity and it is given by…

Q: V(acetic acid CH₂COOμ) = 10ml с = 0,271 м titrated with potassium hydroxide solution. c= 0, 253 M a)…

A: The objecive of the question is to calculate the .

Q: a poorly soluble salt MX has Ksp=10^-10. if a solution has [M+(aq)] is 1M, what is the maximum value…

A: Given that, The salt MX is poorly soluble Solubility product, Ksp = 10-10  Concentration of M+(aq)…

Q: 26) What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCI? The Ksp of PbCl2 is 1.6 x…

A:

Q: Gravimetric assay of Ba-ions involves step of precipitation by: H2SO4 NaOH AGNO3 HCL

A: The Given barium chloride solution is made up to a definite volume. A measured volume of it is then…

Q: 3. Use the mean value you determined for Keq to calculate the SCN concentration in a solution whose…

A: The given reaction is Fe+3 + SCN- -> Fe(SCN)+2 Equilibrium constant ( Keq) =…

Q: What is the concentration (in millimolar) of F— ions when 33 mg of MgF2completely dissociates in 2.5…

A: To determine the millimolar of F- first of all, we determine the molarity of the MgF2 solution. The…

Q: 96 mL of 0.080 M NaF is mixed with 32 mL of 0.20 M Sr(NO3)2. Calculate the concentration of Sr2+ in…

A: Volume = 96 ml of NaF volume = 32 ml of Sr(NO3)2 concentration = 0.080 M NaF concentration = 0.20 M…

Q: A certain organic acid has a K, of 6.31 x 104. What is its pk,? pK =

A:

Q: 5. In the titration of 15.00 mL of 0.200 M of a weak base, B:, (Ko = 7.25 x 10³) with 0.100 M HCI.…

A: Given,  Volume of weak base (B) = 15.00 mL  Molarity of B = 0.200 M  Base dissociation constant = Kb…

Q: Activity 5 More on Solubility, and LeChatelier's Principle (5a) What is the molar solubility of CaF2…

A: Answer: According to Le-chatalier's principle, when we change parameter of the system which is in…

Q: Derive the titration curve of the following solution: a. 20.00 mL, 0.25 M CaCO3 with 0.20 M AGNO3.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What ratio of CH.NH2 to CH.NH3 is needed to prepare a pH 10.00 buffer? (Kb for CH:NH2 is 4.4 x 10-4)

A:

Q: I purple color (pHf = 9) 11 mL = acid? (b) Calculate the indica

A: In the titration of phosphoric acid, use either methyl orange to detect the first end point around…

Q: Consider a buffer made by adding 52.3 g of (CH3)2NH¿l to 250.0 mL of 1.42 M (CH3)2NH (Kb = 5.4 x…

A: In given question example of basic buffer

Q: Determine the concentration of the ion indicated in each solution. ▾ Part A [K] in 0.226 M KNO, [K+]…

A: Here, we have to calculate the [K+] in 0.226 M KNO3 and the [NO3-] in 0.187 M Ca(NO3)2.

Q: What is the pH of a saturated solution of Ca(OH)₂? Ca(OH)₂ (s) Ca²+ (aq) + 2 OH- (aq) Ksp = 3.7 x 10…

A: Solubility reaction:- Ca(OH)2(s) -------------> Ca2+(aq)  +  2OH-(aq) Ksp = 3.7×10-6

Q: Describe, stepwise, how you would prepare 0.8 L of a 0.25 M phosphate buffer, pH 12.5, using…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: A solution is supersaturated if: Select one: a. QKsp- d.

A: A solution is made of two components: solute and solvent. A saturated solution is that in which no…

Q: 3. How do you prepare 100 mL of solution containing 25 ppm Fe2 + ions from FeSO4 salt? Explain.

A:

Q: What concentration of NH4Cl is necessary to buffer a 0.50 M NH3 solution at pH = 9.00? (The Kb for…

A: The NH4Cl gives NH4+ and Cl- ions, so the initial concentration of NH4Cl = [NH4+] The buffer…

Q: Q2) Q2) How much mole of NH3 to be added to 500 mL of the solution with pH=8.9 to dissolve 5x10 * of…

A: Solution -

Q: Write the charge-balance equations for a solution that is a 0.49 M in HCN. b0.49 M in (CH3)2 NH.…

A: Charge balance equation contain all the cations present in the solution on one side and all the…

Q: When 20 mmol Pb(NO3)2 is added to 250 mL of 1.0 M NaX, the [PbX4]²- ion forms. At equilibrium,…

A: To calculate Kf for [PbX4]2- , we would first calculate moles of both reactants used . The. We would…

Q: The solubility-product constant for PbI2 is 7.1x10-9 . Calculate the weight (in gram) of PbI2 that…

A:

Q: The Ka of Benzoic acid (C6H5COOH) is 6.3 x 10-5. A 0.72 M C6H5COOH of 40.0 mL is titrated with 0.48…

A: Option  C The answer for (1) 30.0 ml and the answer for (2) 60.0 ml

Q: A student wants to complete neutralize a 5.00g sample of K₂CO3 with a stock solution of 0.15M H3PO4.…

A: Given:Mass of K2CO3 = 5.00 gConcentration of H3PO4 = 0.15 MBalance this equation:A balanced chemical…

Q: construct a theoretical curves for the titration of 25 ml of 0.1 n nh4Oh Hcl (pkb=4.74)  a. Write…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: A 20.00-mL sample of a saturated Sr(OH)₂ solution requires 24.36 mL of a 0.0550 M HCl solution to…

A: The net balanced chemical equation can be written as: Given: Volume of Sr(OH)2 =20.0mL= 0.020 L…

Q: what are the IH30T]I HS-3 and IS2] concentrations of a 0.IM colution of Ha s, Kal - 1:1 X107 Ka 2 =…

A: Initial concentration of hydrogen sulfide is 0.1 M, suppose x is the change in concentration of so…

Q: 1. 10 M HCI is titrated with 0.0993 M NaOH. [ Select ] 2. 10 M acetic acid (K, = 1.8x105) is…

A: To find suitable indicators for  1) Titration of HCl and NaOH. 2) Titration of CH3COOH and NaOH. 3)…

Q: What ratio of CH;NH2 to CH³NH3* is needed to prepare a pH 10.00 buffer? (Kb for CH:NH2 is 4.4 × 10…

A: The equation which gives the relationship between pH and pOH of a solution, pKa and pKb and ratio of…

Q: What is the ratio of HEPES/HEPES-H+ in aHEPES buffer at pH 7.9?

A:

Q: 0. Which solution would you choose to suppress the dissolution of CaCO3? a. 0.200 M MaCl₂ b. 0.200…

A: Which solution would you choose to suppress the dissolution of CaCO3?option :a. 0.200 M MaCl2 b.…

Q: 4 (a) How many grams of sodium carbonate, Na2CO3 must be added to 1.5 L of 0.221 M NaHCO3 to prepare…

A: We are asked to find the amount of sodium carbonate (Na2CO3) that must be added to a solution of…

Q: At what molarity will 0.100 M Ca²+ begin to precipitate out of a solution of MgSO4? (Ksp of…

A:

Q: What mass of NH4Cl (Mw = 53.492 g mol-1) has to be dissolved in 750 mL of 0.25 M NH3 (pKa = 9.26) to…

A: 750 mL of 0.25 M NH3 pKa = 9.26 solution is mixed with a certain amount of NH4Cl to prepare a…

Q: None

A: Step 1:To solve this problem, we can use the concept of stoichiometry and the equation of the…

Q: A buffer with a pH of 9.71 is to be prepared from NH3 and NH4Cl. What ratio of base to salt would…

A: first find pOH then apply Henderson equation of buffer solutions.

Q: What are the concentrations of OH-(aq), (CH3)2NH2+(aq), and (CH3)2NH in a 0.450M solution of…

A: Consider the given reaction is as follows; Reaction:      CH32NH    +    H2O     ⇌         CH32NH2+…

Q: BaSO4(s) = Ba²+ (aq) + SO2 (aq) Ksp = 1.5 x 10-9 @ 25 °C [Ba2+] = 3.9 x 10-5 M What is the…

A: Let the solubility of the ions (formed by dissociation of BaSO4) be "S". The relation between ksp…